/* cairo - a vector graphics library with display and print output * * Copyright ? 2006 Red Hat, Inc * * This library is free software; you can redistribute it and/or * modify it either under the terms of the GNU Lesser General Public * License version 2.1 as published by the Free Software Foundation * (the "LGPL") or, at your option, under the terms of the Mozilla * Public License Version 1.1 (the "MPL"). If you do not alter this * notice, a recipient may use your version of this file under either * the MPL or the LGPL. * * You should have received a copy of the LGPL along with this library * in the file COPYING-LGPL-2.1; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * You should have received a copy of the MPL along with this library * in the file COPYING-MPL-1.1 * * The contents of this file are subject to the Mozilla Public License * Version 1.1 (the "License"); you may not use this file except in * compliance with the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY * OF ANY KIND, either express or implied. See the LGPL or the MPL for * the specific language governing rights and limitations. * * The Original Code is cairo_output_stream.c as distributed with the *   cairo graphics library. * * The Initial Developer of the Original Code is Red Hat, Inc. * * Author(s): *	Kristian H?gsberg <krh@redhat.com> */#ifndef CAIRO_OUTPUT_STREAM_PRIVATE_H#define CAIRO_OUTPUT_STREAM_PRIVATE_Htypedef struct _cairo_output_stream cairo_output_stream_t;typedef cairo_status_t (*cairo_output_stream_write_func_t) (cairo_output_stream_t *output_stream,							    const unsigned char   *data,							    unsigned int           length);typedef cairo_status_t (*cairo_output_stream_close_func_t) (cairo_output_stream_t *output_stream);struct _cairo_output_stream {    cairo_output_stream_write_func_t write_func;    cairo_output_stream_close_func_t close_func;    unsigned long		     position;    cairo_status_t		     status;    cairo_bool_t		     closed;};extern const cairo_private cairo_output_stream_t cairo_output_stream_nil;cairo_private void_cairo_output_stream_init (cairo_output_stream_t            *stream,			   cairo_output_stream_write_func_t  write_func,			   cairo_output_stream_close_func_t  close_func);cairo_private void_cairo_output_stream_fini (cairo_output_stream_t *stream);/* We already have the following declared in cairo.h:typedef cairo_status_t (*cairo_write_func_t) (void		  *closure,					      const unsigned char *data,					      unsigned int	   length);*/typedef cairo_status_t (*cairo_close_func_t) (void *closure);/* This function never returns NULL. If an error occurs (NO_MEMORY) * while trying to create the output stream this function returns a * valid pointer to a nil output stream. * * Note that even with a nil surface, the close_func callback will be * called by a call to _cairo_output_stream_close or * _cairo_output_stream_destroy. */cairo_private cairo_output_stream_t *_cairo_output_stream_create (cairo_write_func_t		write_func,			     cairo_close_func_t		close_func,			     void			*closure);cairo_private void_cairo_output_stream_close (cairo_output_stream_t *stream);cairo_private void_cairo_output_stream_destroy (cairo_output_stream_t *stream);cairo_private void_cairo_output_stream_write (cairo_output_stream_t *stream,			    const void *data, size_t length);cairo_private void_cairo_output_stream_write_hex_string (cairo_output_stream_t *stream,				       const char *data,				       size_t length);cairo_private int_cairo_dtostr (char *buffer, size_t size, double d);cairo_private void_cairo_output_stream_vprintf (cairo_output_stream_t *stream,			      const char *fmt, va_list ap);cairo_private void_cairo_output_stream_printf (cairo_output_stream_t *stream,			     const char *fmt, ...);cairo_private long_cairo_output_stream_get_position (cairo_output_stream_t *stream);cairo_private cairo_status_t_cairo_output_stream_get_status (cairo_output_stream_t *stream);/* This function never returns NULL. If an error occurs (NO_MEMORY or * WRITE_ERROR) while trying to create the output stream this function * returns a valid pointer to a nil output stream. * * NOTE: Even if a nil surface is returned, the caller should still * call _cairo_output_stream_destroy (or _cairo_output_stream_close at * least) in order to ensure that everything is properly cleaned up. */cairo_private cairo_output_stream_t *_cairo_output_stream_create_for_filename (const char *filename);/* This function never returns NULL. If an error occurs (NO_MEMORY or * WRITE_ERROR) while trying to create the output stream this function * returns a valid pointer to a nil output stream. * * The caller still "owns" file and is responsible for calling fclose * on it when finished. The stream will not do this itself. */cairo_private cairo_output_stream_t *_cairo_output_stream_create_for_file (FILE *file);cairo_private cairo_output_stream_t *_cairo_memory_stream_create (void);cairo_private void_cairo_memory_stream_copy (cairo_output_stream_t *base,			   cairo_output_stream_t *dest);cairo_private int_cairo_memory_stream_length (cairo_output_stream_t *stream);/* cairo_base85_stream.c */cairo_private cairo_output_stream_t *_cairo_base85_stream_create (cairo_output_stream_t *output);#endif /* CAIRO_OUTPUT_STREAM_PRIVATE_H */